Digest for sci.electronics.repair@googlegroups.com - 4 updates in 3 topics

Ancel UnfetteredOne <protofabtt@gmail.com>: Jan 22 08:00AM -0800

On Friday, January 13, 2017 at 10:12:27 PM UTC-4, Percival P. Cassidy wrote:
 
> Is it worth replacing the battery just in case, or is this thing ready
> for the recyclers?
 
> Perce
 
I usually slap on a used auto battery with cable extension to get a couple hours backup on my PC.
avagadro7@gmail.com: Jan 21 06:44PM -0800

does the unit bzzzzz when cold ?
"Benderthe.evilrobot" <Benderthe.evilrobot@virginmedia.com>: Jan 21 06:51PM

"Ralph Mowery" <rmowery28146@earthlink.net> wrote in message
news:MPG.32eca9e330c2ddb6989800@news.east.earthlink.net...
 
> Probably can not use lead today as it seems everyone is afraid of lead
> in the environment. Just looking at it causes all kinds of problems so
> they say.
 
Archeologists in the UK are still finding old Roman lead water ducting. Many
buildings (especially churches) have lead roofs that are lashed by rain and
hail that runs into the water table.
 
Theft of lead roofs by scrap metal thieves is a huge problem - I've been
told that they can't use other material because they are listed buildings
that must be maintained in original condition. There are products that look
just like lead roofing, but AFAIK: they're not allowed to use them.
 
The listed building laws probably apply equally to repairing or replacing
stained glass windows.
avagadro7@gmail.com: Jan 21 06:43PM -0800

Weller's 80 watt iron arrived n tried it on 10 Ga with couplers. OK. problem solved no struggle (new iron) apply tip wait solder. No apply n wait maybe today ...with a 40W
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Digest for sci.electronics.repair@googlegroups.com - 6 updates in 2 topics

JoeT <f6ceedb9c75b52f7fcc0a55cf0cfbf5d_1061@example.com>: Jan 21 04:37AM

responding to
http://www.electrondepot.com/repair/what-is-the-story-with-the-panasonic-sa-pt760-40592-.htm
, JoeT wrote:
> will have done so spectacularly "
 
> Thanks guys, that is what I figured. You are right, this isnt a job
> for me!
 
Did you ever figure your issue out? I have the exact same issue with mine.
Going to open it up and see if any obvious issues. Tech support's live chat
said to send it in, but that would cost more than just buying a new unit.
irritated since this is our multi-region player.
 
thanks
"Benderthe.evilrobot" <Benderthe.evilrobot@virginmedia.com>: Jan 20 08:21PM

<pfjw@aol.com> wrote in message
news:6fcaff0b-4e0b-4ea9-98c1-2f2c999c4f66@googlegroups.com...
 
> They more-or-less look like this, bent or straight:
 
> http://www.sunshineglass.com/rcol/c-tools/tool_images/39330h-hex175.jpg
 
> Tip Temperature is typically at/near 700F.
 
The old Weller TCP1 irons had heat graded tips -700F seems to be the
standard, I've also seen 800F tips.
 
AFAIK: Stained glass windows are held together with plain lead - it requires
a much higher temperature than solder.
 
If the iron is as hot as I suspect - it'll probably burn off the flux too
quickly.
Ralph Mowery <rmowery28146@earthlink.net>: Jan 20 05:50PM -0500

In article <LiugA.197639$eY3.184135@fx44.am4>,
Benderthe.evilrobot@virginmedia.com says...
> a much higher temperature than solder.
 
> If the iron is as hot as I suspect - it'll probably burn off the flux too
> quickly.
 
I don't know about the big windows, but most of the home built items
seem to wrap the edges of the glass with copper foil.
Michael Black <et472@ncf.ca>: Jan 20 07:14PM -0500

dplatt@coop.radagast.org (Dave Platt): Jan 20 04:48PM -0800

In article <alpine.LNX.2.02.1701201913540.17128@darkstar.example.org>,
>been done some other way in the past. Or maybe the split is that a
>hobbyist will use copper foil, while for churches, it's something more
>substantial.
 
http://www.warner-criv.com/techtips/copper.aspx
 
"The copper foil technique, method made popular by L.C. Tiffany at the
turn of the century, involves wrapping the pieces of glass with copper
foil and soldering them together along the length of the seams.
 
"Copper foil can be used as an alternative to lead in any instance at
the personal preference of the user. It is much stronger than lead
when soldered, needs no putty, is waterproof, and allows you to do
intricately detailed projects where the bulky look and weight of lead
would detract from the aesthetics of a delicate design."
 
According to another page on that site, lead "came" (channel)
sometimes comes with a hollow heart into which steel rod can be
inserted, to increase its strength. Zinc channels are sometimes used
for the same reason.
Ralph Mowery <rmowery28146@earthlink.net>: Jan 20 11:13PM -0500

In article <5onald-mo3.ln1@coop.radagast.org>, dplatt@coop.radagast.org
says...
> sometimes comes with a hollow heart into which steel rod can be
> inserted, to increase its strength. Zinc channels are sometimes used
> for the same reason.
 
Probably can not use lead today as it seems everyone is afraid of lead
in the environment. Just looking at it causes all kinds of problems so
they say.
The solder would have to be lead free too. I did see on one of the web
pages that sells the equipment can not send the 50/50 solder to one
state and have to send the lead free or maybe the 60/40 type.
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Digest for sci.electronics.repair@googlegroups.com - 1 update in 1 topic

cubexyz@gmail.com: Jan 19 04:41PM -0800

Hi folks,
 
Got an LG RH398H-M DVD recorder, one of those stand alone units. When you turn it on the display says "Hello... Hello..." and then keeps scrolling. I can't access the menus or open the dvd tray. Any way to get the service manual? LG will not help me, they basically told me that the unit is obsolete and to buy a new one.
 
Mark
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